Here is the full list of all 48 Metro 2033 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete the game in Ranger Mode Hardcore.
Complete the game in Ranger Mode Easy.
Kill at least one enemy with each weapon available in the game.
Found all gold ammo, hidden throughout the stations.
Kill 15 enemies using sticky grenade.
Kill 15 enemies using stationary machine gun.
On the level 'Hunter' kill the nosalises before they break through the ventilation grilles.
There is no place in metro you did not visit
Make 25 headshots.
Kill 50 mutants with your knife.
Find all Ranger stashes in Dead City 1 and 2
A true metro citizen. You know everyone and have seen everything.
Kill 10 enemies with throwing knives.
Kill 50 enemies with heavy automatic shotgun.
Break the support and activate the chandelier in less than 20 seconds.
Kill 30 enemies using pneumatic weapons.
Kill 30 humans with only pneumatic weapons.
Complete level 'Armory' without getting caught.
Save a group of 'Reds' from Fascist captivity.
Complete 'Frontline' level without killing anyone.
Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.
A coin for a hungry kid? Get a job.
Kill 5 amoebas.
Save 500 military-grade rounds.
Kill 5 enemies with a flamethrower.
Kill a librarian.
Make 10 deals in weapon shops.
Exchange 500 Military-Grade 5.45 rounds at Exchange kiosks.
Complete the level 'Black Station' without killing any Fascist Soldiers.
On the level 'Outpost' reach the radio tower and broadcast the commander's message.
Kill 2 demons.
Get 50 kills with Volt Driver.
Kill 20 enemies with the knife.
Get 25 kills with alternative fire of Volt Driver.
Kill 20 lurkers.
Disarm 10 wire traps.
Kill 30 enemies using revolvers.
On the level 'Depot' silently kill the first guard and break into the Fascist station unnoticed.
Destroy fascists' Panzer.
On the level 'Frontline' kill all of the enemy Red Army and Fascist Soldiers.
Explode 10 enemies.
Blow up the tunnel and airlock at 'Cursed' station.
Kill 30 enemies with the double-barreled shotgun.
Kill 30 nosalises.
Complete levels 'Ghosts' and 'Anomaly' without dying.
What doesn't kill you, makes you stronger.